linux-ext4 - Re: [RFC PATCH 11/18] iomap: add a fs private parameter to iomap

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Message-ID: <12a61016-1df7-5cf7-94e3-3a07103cbbb6@huaweicloud.com>
Date: Fri, 24 Nov 2023 09:36:49 +0800
From: Zhang Yi <yi.zhang@...weicloud.com>
To: Christoph Hellwig <hch@...radead.org>
Cc: linux-ext4@...r.kernel.org, linux-fsdevel@...r.kernel.org, tytso@....edu,
 adilger.kernel@...ger.ca, jack@...e.cz, ritesh.list@...il.com,
 djwong@...nel.org, yi.zhang@...wei.com, chengzhihao1@...wei.com,
 yukuai3@...wei.com
Subject: Re: [RFC PATCH 11/18] iomap: add a fs private parameter to
 iomap_ioend

On 2023/11/23 23:36, Christoph Hellwig wrote:
> On Thu, Nov 23, 2023 at 08:51:13PM +0800, Zhang Yi wrote:
>> From: Zhang Yi <yi.zhang@...wei.com>
>>
>> Add a private parameter to iomap_ioend structure, letting filesystems
>> can pass something they needed from .prepare_ioend() to IO end.
> 
> On it's own this looks fine.  Note that I have a series that I probably
> should send out ASAP:
> 
>    http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/iomap-map-multiple-blocks
> 
> that makes each ioend only have the embdeed bio, and bi_private in that
> is unused, so you could just use that if we go down that route.
> 

Thanks for this improvement, I will analyze the changes of this series
in depth.

Thanks,
Yi.